<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <script src="/vue.js"></script>
</head>

<body>
    <div id="app">
        <p>{{msg | toFive}}</p>
    </div>
    <script>
        var vm = new Vue({
            el: "#app",
            data: {
                msg: "5"
            },
            filters: {
                toFive(value) {
                    this.value = parseInt(value)
                    // console.log(typeof (this.value));
                    return value ? Math.pow(parseInt(this.value), 5) : "";

                }
            }
        })
    </script>
</body>

</html>